How to charge a battery. An average car battery has a capacity of around 48 amp hours which means that, fully charged, it delivers 1 amp for 48 hours, 2 amps for 24 hours, 8 amps for 6 hours and so on.
This occurs when one of the soft, gel-filled discs between the vertebrae of the spine bulges or ruptures, compressing and/or irritating the sciatic nerve. Another common cause of sciatica is muscle spasm that compresses the sciatic nerve as it travels through the muscles.
Muscle spasms and cramps occur when a muscle contracts involuntarily and painfully. There are a number of causes of spasms, ranging from nutritional deficiency to serious nervous system conditions. If you experience sharp, extremely painful muscle spasms in your neck or back, you should see a physician, as these can be symptoms of a ruptured or bulging disc in your spine.